ASTROSAT CZTI

Data Quality Report

Orbit 09619

Creation date: 2024-06-27T15:48:31.017365
Switch to: Orbit-wise | Merged OBSID-wise
web.py, SVN revision $Rev$

Source files: Data quality report (detailed, human readable) | Data quality report (concise, machine readable)

Observation information

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date-obs: 2017-07-08
time-obs: 20:53:03.550200000
date-end: 2017-07-09
time-end: 01:53:48.540400000
obs_id: A03_009T01_9000001366
exposure: 8791.49629323
sourceid: IGR J16318-4848
observer: nirmal
ra_pnt: 247.9513
dec_pnt: -48.81681

Basic statistics of files

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Param	Original file	Final file
Filename	modeM0/AS1A03_009T01_9000001366_09619cztM0_level2.evt	modeM0/AS1A03_009T01_9000001366_09619cztM0_level2_quad_clean.evt
Size (bytes)	917,311,680	174,130,560
Size	874.8 MB	166.1 MB
Events in quadrant A	5,974,641	1,010,388
Events in quadrant B	6,721,460	1,117,290
Events in quadrant C	6,265,102	1,116,056
Events in quadrant D	7,862,821	1,056,179

Level1 data integrity

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Mode M9
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	20	3
B	0	20	0
C	0	20	0
D	0	20	1

Mode SS
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	328	32
B	0	328	40
C	0	328	38
D	0	328	30

Mode M0
Quadrant	BADHDUFLAG	Total packets	Discarded packets
A	0	32463	5416
B	0	33372	3752
C	0	32158	3267
D	0	37628	4186

Data saturation

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Quadrant	Total seconds	Saturated seconds	Saturation percentage
A	13321	33	0.247729%
B	14295	59	0.412732%
C	14376	24	0.166945%
D	14274	190	1.331091%

Noise dominated fraction

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Noise dominated data is calculated using 1-second bins in cleaned event files. If a bin has >2000 counts, and if more than 50% of those come from <1% of pixels, then it is considered to be noise-dominated and hence unusable.

Quadrant	# 1 sec bins	Bins with >0 counts	Bins with >2000 counts	High rate bins dominated by noise	Noise dominated (total time)	Noise dominated (detector-on time)	Marked lightcurve